Home / 27,676.22-38,192.54-15,738.84

Finding the Fourth Proportional to 27,676.22, 38,192.54 and 15,738.84

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Solution

The fourth proportional to 27,676.22, 38,192.54 and 15,738.84 is: 21,719.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.22 : 38,192.54 = 15,738.84 : x
  2. Step 2: Convert to fraction form
    27,676.22/38,192.54 = 15,738.84/x
  3. Step 3: Cross multiply
    27,676.22x = 38,192.54 × 15,738.84
  4. Step 4: Simplify right side
    27,676.22x = 601,106,197.56
  5. Step 5: Solve for x
    x = 601,106,197.56/27,676.22
  6. Step 6: Final answer
    x = 21,719.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.